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Table 4.3. Charter school legislation and number of charter schools operating, by state: 2008–09, 2013–14 and 2015–16
 
State Year charter law passed (2015–16) Number of charter schools operating (2013–14) State allows virtual charter schools (2015–16)1   State allows extended learning time in charter schools (2008–09)2
United States3 6,465 36 29
           
Alabama 2015 0 Yes
Alaska 1995 27 Yes No
Arizona 1994 600 Yes Yes
Arkansas 1995 52 Yes Yes
California 1992 1,125 Yes Yes
           
Colorado 1993 200 Yes Yes
Connecticut 1997 18 Yes Yes
Delaware 1995 21 No Yes
District of Columbia 1996 109 Yes Yes
Florida 1996 623 Yes Yes
           
Georgia 1994 94 Yes Yes
Hawaii 1994 33 Yes No
Idaho 1996 49 Yes Yes
Illinois 1996 65 Yes Yes
Indiana 2001 76 Yes Yes
           
Iowa 2002 3 Yes No
Kansas 1994 11 Yes No
Kentucky
Louisiana 1995 118 Yes Yes
Maine 2011 5 Yes
           
Maryland 2003 53 No Yes
Massachusetts 1993 81 No Yes
Michigan 1993 370 Yes Yes
Minnesota 1991 186 Yes Yes
Mississippi 2010 0 Yes No
           
Missouri 1998 59 Yes Yes
Montana
Nebraska
Nevada 1997 41 Yes Yes
New Hampshire 1996 23 Yes No
           
New Jersey 1995 87 No Yes
New Mexico 1993 95 Yes No
New York 1998 233 No Yes
North Carolina 1996 128 Yes Yes
North Dakota
           
Ohio 1997 390 Yes Yes
Oklahoma 1999 25 Yes Yes
Oregon 1999 124 Yes Yes
Pennsylvania 1997 181 Yes Yes
Rhode Island 1995 23 No No
           
South Carolina 1996 60 Yes Yes
South Dakota
Tennessee 2002 72 No Yes
Texas 1995 658 Yes Yes
Utah 1998 95 Yes No
           
Vermont
Virginia 1998 6 No No
Washington 2012 0 Yes
West Virginia
Wisconsin 1993 242 Yes No
Wyoming 1995 4 Yes No
— Not available.
† Not applicable.
1 A virtual school, or cyber school, is a school that delivers academic instruction via the Internet or computer network to students in locations other than a classroom supervised by a teacher who is physically present.
2 Extended learning time refers to public elementary and secondary schools (charter and non-charter) operating longer than six hours per day, and/or with a calendar year exceeding 180 days.
3 The total reflects the number of "Yes" responses in the column.
SOURCE: National Alliance for Public Charter Schools, Measuring Up to the Model: A Ranking of State Charter Law (2016), retrieved March 1, 2016 from http://www.publiccharters.org/wp-content/uploads/2016/01/Model-Law-Final_2016.pdf; National Alliance for Public Charter Schools, Public Charter School Dashboard, retrieved March 1, 2016 from http://www.publiccharters.org/dashboard/home; and National Center for Education Statistics, Selected Statistics from the Public Elementary and Secondary Education Universe: School Year 2013–14, retrieved April 7, 2016 from http://nces.ed.gov/pubs2015/2015151/tables/table_03.asp. Data Source.